B. Getting the Latest CC Mode Release

CC Mode has been standard with all versions of Emacs since 19.34 and
of XEmacs since 19.16.

Due to release schedule skew, it is likely that all of these Emacsen
have old versions of CC Mode and so should be upgraded. Access to the
CC Mode source code, as well as more detailed information on Emacsen
compatibility, etc. are all available on the web site: